void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(33, OUTPUT);
   pinMode(25, OUTPUT);
    pinMode(12, OUTPUT);
    //ta2
     pinMode(21, OUTPUT);
      pinMode(17, OUTPUT);
       pinMode(15, OUTPUT);
  //Serial.println("Hello, ESP32!");
}

void loop() {
  digitalWrite(33, HIGH);
    digitalWrite(17,LOW);
    delay(3000);
      digitalWrite(33, LOW);
        digitalWrite(17, LOW);

        digitalWrite(25, HIGH);
        digitalWrite(15, HIGH);
        delay(3000);
        digitalWrite(25, LOW);
        digitalWrite(15, LOW);

          digitalWrite(12, HIGH);
            digitalWrite(21, HIGH);
            delay(3000);
              digitalWrite(12, LOW);
                digitalWrite(21, LOW);
  // put your main code here, to run repeatedly:
  //delay(10); // this speeds up the simulation
}